Mitsubishi M21 K51 100 Ductless Mini Split Filter (Discontinued)

The Mitsubishi M21 K51 100 Standard Filter fits select Mini Split Ductless Cassette units, and is designed to fit in the factory filter frame. Important Note: Mitsubishi has retired this filter with no replacement available. Get yours today while supplies last! Maintenance & Care: Clean this filter bi-weekly; replace it every 6 to 12 months, depending on the environment and cleaning routine. Filter Dimensions: 13-7/8" x 14-7/8" One Filter is included with this offer.